export declare function zero(number: number): string;
export declare function getChainmakerSDk(): {
    pubKey2Address: (pubPem: string) => string;
    checkPriKeyValidity: (priPem: string) => boolean;
    pubHex2Pem: (pubHex: string) => string;
    priHex2Pem: (priHex: string) => string;
    priHex2PubHex: (priHex: string, point?: any) => string;
    sign: (priPem: string, rowDataHex: string, option?: {
        alg: string;
    }) => string;
};
export declare function priPem2PubPem(priPem: string): string;
export declare function priKey2Address(priPem: string): string;
export declare function pubKey2Address(pubPem: string): string;
export declare function deriveKeyPairByMnemonic(mnemonic: string, index?: number): import("chainmaker-wallet-jssdk/dist/types").PriPubKeyPair;
export declare function getMnemonicObject(_mnemonic?: string): {
    mnemonic: string;
    mainnemonicArr: {
        word: string;
        index: number;
    }[];
    mnemonicShuffleArr: {
        word: any;
        index: number;
    }[];
    publicPem: string;
    privatePem: string;
    address: string;
} | undefined;